From reviewing the traceroute to your IP, the issue occurred after leaving the west coast and reaching the Asia ISP:
10 gigabitethernet7-0-0.ig2.lax7.alter.net (152.63.118.37) 35.111 ms gigabitethernet6-0-0.ig2.lax7.alter.net (152.63.118.33) 35.288 ms 36.503 ms
11 * * *
12 * 219.158.4.177 (219.158.4.177) 416.037 ms *
gigabitethernet6-0-0.ig2.lax7.alter.net is the last USA hop before leaving the US. I suspect there was an issue with one of the ISP between your location and our location during the times connectivity was intermittent.